2015: Oklahoma - Oklahoma State
2014: Baylor - TCU
2013: Baylor - Oklahoma
2012: Kansas State - Oklahoma
2011: Oklahoma State - Kansas State
Kind of weird, but it seems the tide may be changing a bit in the other teams' favor. Only a matter of time before the Texas slump ends, but it legitimately looks like we could easily see at least one team that isn't Oklahoma or Texas most years.